Design and research of digital meter identifier based on image and wireless communication

摘要

Based on image recognition and wireless shortrange transmission, we designed and implemented a kind of equipment to identify the value of several digital domestic instruments such as kilowatt-hour meter and gas meter. CMOS image sensor is used to form focused image of the meter reading. Then, the digital image is processed by a high-performance DSP processor with advanced neural network algorithm. The identification result is specific numbers and is sent to the concentrator through the shortrange wireless ZigBee communications. The equipment can effectively release the workers from entering residential buildings and avoid many troubles.